LTC1543
TEST CIRCUITS
50Ω
D
B
V
OD
A
50Ω
50Ω
A
15pF
1543 F03
125Ω
V
CM
50Ω
125Ω
B
R
Figure 3. V.35 Driver/Receiver Test Circuit
D
A
D
A
A
R
15pF
1543 F04
C
L
R
L
1543 F04
Figure 4. V.10/V.28 Driver Test Circuit
Figure 5. V.10/V.28 Receiver Test Circuit
ODE SELECTIO
LTC1543 MODE NAME
Not Used (Default V.11)
RS530A
RS530
X.21
V.35
RS449/V.36
V.28/RS232
No Cable
Not Used (Default V.11)
RS530A
RS530
X.21
V.35
RS449/V.36
V.28/RS232
No Cable
M2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
6
U
M1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
M0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
DCE/DTE
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
D1
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
D2
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
D3
Z
Z
Z
Z
Z
Z
Z
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
R1
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
Z
Z
Z
Z
Z
Z
Z
Z
R2
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
R3
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
W
LINER [ LINEAR TECHNOLOGY ]
